Meaning of the Sanskrit Word: nigamam

nigamam—instruction SB 6.5.30sva-nigamam—confidential knowledge of the Vedas in respect to the Supreme Personality of Godhead SB 1.5.39sva-nigamam—own truthfulness SB 1.9.37sva-nigamam—His own promise not to take a weapon and fight on behalf of the Pāṇḍavas Madhya 16.145ātma-nigamam—exactly according to the ritualistic ceremonies of the Vedas SB 9.24.66